decimal.h

/*
 * Copyright © 2017-2023 Synthstrom Audible Limited
 *
 * This file is part of The Synthstrom Audible Deluge Firmware.
 *
 * The Synthstrom Audible Deluge Firmware is free software: you can redistribute it and/or modify it under the
 * terms of the GNU General Public License as published by the Free Software Foundation,
 * either version 3 of the License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
 * without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
 * See the GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License along with this program.
 * If not, see <https://www.gnu.org/licenses/>.
 */
 
#pragma once
 
#include "number.h"
 
namespace deluge::gui::menu_item {
 
class Decimal : public Number {
public:
    using Number::Number;
    void beginSession(MenuItem* navigatedBackwardFrom = nullptr) override;
    void selectEncoderAction(int32_t offset) override;
    void horizontalEncoderAction(int32_t offset) override;
    void renderInHorizontalMenu(int32_t startX, int32_t width, int32_t startY, int32_t height) override;
    void getNotificationValue(StringBuf& valueBuf) override { valueBuf.appendFloat(getValue() / 100.f, 2, 2); }
    [[nodiscard]] NumberStyle getNumberStyle() const override { return NUMBER; }
 
protected:
    void drawValue() override;
    [[nodiscard]] virtual int32_t getNumDecimalPlaces() const = 0;
    [[nodiscard]] virtual int32_t getDefaultEditPos() const { return 2; }
    [[nodiscard]] virtual int32_t getNumberEditSize();
 
    void drawPixelsForOled() override;
 
    // 7Seg Only
    virtual void drawActualValue(bool justDidHorizontalScroll = false);
    virtual void appendAdditionalDots(std::vector<uint8_t>& dotPositions) {};
    static int32_t getNumNonZeroDecimals(int32_t value);
 
private:
    void scrollToGoodPos();
};
 
class DecimalWithoutScrolling : public Decimal {
    using Decimal::Decimal;
 
public:
    void selectEncoderAction(int32_t offset) override;
    void horizontalEncoderAction(int32_t offset) override { return; }
 
protected:
    virtual float getDisplayValue() { return this->getValue(); }
    void getNotificationValue(StringBuf& value) override;
    virtual const char* getUnit() { return ""; }
    void drawPixelsForOled() override;
    void drawDecimal(int32_t textWidth, int32_t textHeight, int32_t yPixel);
    // 7Seg Only
    void drawActualValue(bool justDidHorizontalScroll = false) override;
};
 
} // namespace deluge::gui::menu_item